For at least 70 years, the US dollar has been the world's dominant currency. Central banks around the world hold a large portion of their reserves in the US currency, while private companies use it for international transactions.

Stock Futures Mixed, U.S. Dollar Drifts as Doug Jones Stuns Roy Moore in Alabama. A surprise win for Democrat Doug Jones in Alabama's special Senate election has the dollar on the back foot and investors in a cautious mood ahead of the final Fed ...